SB2020012404 - Improper access control in Ultimate Member – User Profile & Membership Plugin for WordPress

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Main Vulnerability Database SB2020012404

SB2020012404 - Improper access control in Ultimate Member – User Profile & Membership Plugin for WordPress

Published: January 24, 2020

Security Bulletin ID SB2020012404
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper access control (CVE-ID: CVE-2020-6859)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to Insecure Direct Object Reference (IDOR) issue in includes/core/class-files.php. A remote attacker can bypass implemented security restrictions and change other users' profiles and cover photos via a modified "user_id" parameter. This is related to "ajax_image_upload" and "ajax_resize_image".

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Remediation

Install update from vendor's website.

References